Red Hat Security Advisory: gstreamer1-plugins-base security update
Affects Red Hat gstreamer1-plugins-baseSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.8 High.
Data as of 31 Oct 2026, 11:06 UTC
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 20 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
AI-suggested
Red Hat has released updated gstreamer1-plugins-base packages for Red Hat Enterprise Linux 9 that address these vulnerabilities. Users should apply the security update as soon as possible following Red Hat's guidance at https://access.redhat.com/articles/11258. No additional mitigations are specified by the vendor. Systems running affected versions without the update remain vulnerable.
Description
Two security vulnerabilities affecting the GStreamer streaming media framework and its gstreamer1-plugins-base package have been addressed by Red Hat. The first vulnerability (CVE-2026-18297) involves a buffer overflow in OGG file parsing that could lead to arbitrary code execution. The second vulnerability (CVE-2026-85150) involves a NULL or invalid pointer dereference when parsing crafted Digest Authorization or WWW-Authenticate headers, potentially causing a denial of service. Red Hat has released security updates for Red Hat Enterprise Linux 9 to fix these issues.
References
- access.redhat.com/errata/RHSA-2026:69100 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2520572 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2527936 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_69100.json (opens in a new tab)